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21 terms

A&P Final Mastering questions (Vessels and Lymphatics)

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Which arteries carry deoxygenated blood?
carotid arteries
aorta
renal arteries
pulmonary arteries
pulmonary arteries
Gas and nutrient exchange occur in the:
veins.
arterioles.
arteries.
capillaries.
capillaries.
Which vessels carry blood away from the heart?
venules
capillaries
arteries
veins
arteries
Leaky capillaries found in the bone marrow are called_________.
arterioles
fenestrated capillaries
continuous capillaries
sinusoidal capillaries
sinusoidal capillaries
Which of the following is true about veins?
Veins have valves; arteries do not.
Veins carry blood away from the heart, while arteries carry blood to the heart.
Veins are more muscular than arteries.
Veins have a thinner lumen than arteries.
Veins have valves; arteries do not.
Which capillaries are the most common in the body?
continuous capillaries
anastomoses
fenestrated capillaries
sinusoids
continuous capillaries
Which of the following would not move by diffusion across a capillary into the surrounding tissue?
Oxygen
Proteins
Lipid-soluble substances
Carbon dioxide
Proteins
Which of the following is NOT a capillary transport mechanism?
movement through intracellular clefts or fenestrations
diffusion through the membrane
bulk flow
transport via vesicles or caveolae
bulk flow
Which of the following will lower blood pressure?
Atrial natriuretic peptide
Antidiuretic hormone
Aldosterone
Angiotensin II
Atrial natriuretic peptide
Which of the following is NOT an important source of resistance to blood flow?
vessel diameter
total blood volume
blood viscosity
vessel length
total blood volume
Which of the following is involved in long-term blood pressure regulation?
Renal mechanisms
Chemoreceptor reflexes
Baroreceptors
Hormonal controls
Renal mechanisms
Which of the following would experience a decreased blood flow during exercise?
Kidneys
Skeletal muscles
Skin
Brain
Kidneys
Which of the following is a long-term mechanism for maintaining blood pressure?
baroceptor-initiated reflexes
chemoreceptor-initiated reflexes
renal regulation
hormonal controls
renal regulation
Which of the following would be a result of anaphylaxis (a systemic allergic reaction)?
Hypovolemic shock
Cardiogenic shock
Vascular shock
Increased blood pressure
Vascular shock
Lymph is most similar to:
interstitial fluid.
blood plasma.
saliva.
water.
interstitial fluid.
Which of the following statements is true regarding veins versus lymphatic collecting vessels?
Veins tend to form more branches (anastamoses) than do lymphatic vessels.
Veins and lymphatic vessels have a different number of tunics.
Veins have thinner walls than do lymphatic vessels.
Veins have fewer internal valves than do lymphatic vessels.
Veins have fewer internal valves than do lymphatic vessels.
Once collected, lymph is returned to:
the kidneys for filtration.
arterial circulation.
the liver for detoxification.
venous circulation.
venous circulation.
Which of the following are considered the primary immune system cells?
lymphocytes
plasma cells
dendritic cells
macrophages
lymphocytes
Which of the following is a role of lymph nodes?
They produce red blood cells.
They produce lymph.
They return lymph to circulation.
They filter lymph.
They filter lymph.
The ________ is (are) the most likely to become infected.
palatine tonsils
pharyngeal tonsil
tubal tonsil
lingual tonsil
palatine tonsils
Peyer's patches are located:
along the colon.
along the small intestine.
in the spleen.
in the liver.
along the small intestine.